Now I encounter Altium's crackdown on piracy in every company I go to. I heard that the license of a crappy software costs hundreds of thousands of dollars, but you can only view it. When you design w...
Power Stage DesignerTM is a JAVA-based tool (requires JAVA 8 or OpenJDK 8) that helps engineers speed up the power supply design process by calculating voltages and currents for 20 topologies based on...
SPI and DMA initialization are automatically generated by STM32CUBEMX. The external memory is LY68L6400. I use HAL_SPI_Transmit(hspi2,(uint8_t * )TX_data, 1020, 0xfffffff);
The function writes data to...
Keysight Technology Award-winning Live Broadcast | Thanksgiving Month Opening Ceremony - Oscilloscope Lecture Hall Registration Starts~Click here to registerLive broadcast time: 10:00-12:00, June 6, 2...
Questions as shown in the picture
Because when the circuit design is completed, the parameters of L1 and C1 are fixed (of course, the parameters of other components are also fixed)
Is it possible to a...
I have used the STM32F1 microcontroller for a long time. Now I would like to summarize the design method of the STM32F1 microcontroller hardware circuit. 1. Power supply The power supply part is ...[Details]
Introduction to ST7735 ST7735 is a TFT driver chip for driving up to 162x132 pixels, 396 (128*3 colors) x162 lines of output, which can be directly connected to an external controller via SPI protoco...[Details]
The structure that the driver layer needs to implement is struct platform_driver, which is used to describe the driver information of a device. The structure is as follows (includelinuxplatform_dev...[Details]
Semiconductor technology is driving changes in the healthcare industry. Thanks to the efforts of semiconductor companies, the performance of MEMS sensors and actuators, low-power microcontrollers, an...[Details]
This article introduces how to port STM32's IRQ (interrupt request) to your own system. We take USART1 receive interrupt as an example. First look at the startup file (assembly language). A...[Details]
How to provide drivers with an effective and practical safety assistance system is an important issue in vehicle safe driving. Fatigue driving detection technology based on machine vision has been wi...[Details]
Fixed positive voltage output application circuit
Figure Fixed positive voltage output application circuit
The basic circuit of the fixed output regulated power supply is shown in the figure. ...[Details]
In recent years, the rapid advancement of the "new four modernizations" of automobiles (intelligence, networking, electrification, and sharing) has brought new technological changes to the automoti...[Details]
1. The performance indicators of the instrument must meet the requirements of the national metrological verification regulations. The instruments in use should be calibrated periodically. If necessa...[Details]
On June 21, Heertai announced that its wholly-owned subsidiary Fuzhou Heertai Electronic Technology Co., Ltd. ("Fuzhou Heertai") signed the "State-owned Construction Land Use Right Transfer Contract"...[Details]
The so-called smart grid refers to a future power grid that can form a two-way interaction between business flow, information flow, and energy flow through new technologies, also known as a "smart gr...[Details]
Because of the 51 single-chip microcomputer crystal oscillator, the frequency measurement range is limited. At this time, an external 74LS160 divider is required for frequency division. This progra...[Details]
According to Haitong International Securities analyst Jeff Pu, the iPhone 14 Max is currently about three weeks behind schedule. Yesterday, Nikkei Asia reported that at least one iPhone 14 model is t...[Details]
At present, with the continuous increase of LED display industry in China, LED large-screen displays are gradually increasing in the streets and alleys of major cities, people's consumption level is ...[Details]
In 2024, the growth of the AR industry is significantly faster than that of VR devices, and shipments have also increased. The differences between the AR and VR industries reflect that consumers' p...[Details]